import book.Book;
import book.BookList;
import user.AdminUser;
import user.NormalUser;
import user.User;

import java.util.Scanner;

public class Main {
    public static User login() {
        System.out.println("请输入姓名：");
        Scanner scan = new Scanner(System.in);
        String name = scan.nextLine();
        while(true) {
            System.out.println("请输入你的身份：1-》管理员，0-》普通用户");
            int choice = scan.nextInt();
            if (choice == 1) {
                return new AdminUser(name);
            } else if (choice == 0) {
                return new NormalUser(name);
            } else {
                System.out.println("输入错误请重新输入");
            }
        }
    }
    public static void main(String[] args) {
        BookList bookList = new BookList();
        Book head = bookList.getHead();//获取链表头节点
        User user = login();
        while(true) {
            int choice = user.menu();
            user.doOperation(choice,head);
        }
    }
}
